RATIBOR, 10 Pfg orange-red, 75 Pfg dark green Steelworks and Dove 1920, 25 Pfg dark brown Plebiscite of 20 March 1921 with vertical gutter at left on registered cover to Groß-Peterwitz / Upper Silesia, double-circle RATIBOR 20.3.1921 (OS handbook No. 274.3), arrival mark (OS handbook No. 109.1, 21.3.1921) on reverse, very neat postmark strikes, age and usage wear typical of the period.